Ultraviolet sterilization device



FIG. 1 is an overhead, front and side, perspective view of an ultraviolet sterilization device according to our new design.

FIG. 2 is an underneath, rear and side, perspective view thereof.

FIG. 3 is a left side elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a front elevation view thereof; and,

FIG. 8 is a rear elevation view thereof.

The broken lines shown in the drawings depict portions of the ultraviolet sterilization device that form no part of the claimed design. 

CLAIM The ornamental design for an ultraviolet sterilization device, as shown and described. 